oggdemux: Fix duration calculation for truncated files

If the last page of a stream has a granulepos of -1, that is,
it doesn't complete a packet, we need to continue to search
for the last granulepos.

diff --git a/ext/ogg/gstoggdemux.c b/ext/ogg/gstoggdemux.c
index ddb6966..88f4ab7 100644 (file)
--- a/ext/ogg/gstoggdemux.c
+++ b/ext/ogg/gstoggdemux.c
@@ -2617,7 +2617,9 @@ gst_ogg_demux_read_end_chain (GstOggDemux * ogg, GstOggChain * chain)
             last_granule = granulepos;
             last_pad = pad;
           }
-          done = TRUE;
+          if (last_granule != -1) {
+            done = TRUE;
+          }
           break;
         }
       }